diff --git a/internal/ceres/evaluation_callback_test.cc b/internal/ceres/evaluation_callback_test.cc
index bfe788d..f814b01 100644
--- a/internal/ceres/evaluation_callback_test.cc
+++ b/internal/ceres/evaluation_callback_test.cc
@@ -201,7 +201,7 @@
 
   Solver::Options options;
   options.linear_solver_type = DENSE_QR;
-  options.max_num_iterations = 300;  // Cost function is hard.
+  options.max_num_iterations = 50;
 
   // Run the solve. Checking is done inside the cost function / callback.
   Solver::Summary summary;
@@ -248,7 +248,7 @@
 
   Solver::Options options;
   options.linear_solver_type = DENSE_QR;
-  options.max_num_iterations = 300;  // Cost function is hard.
+  options.max_num_iterations = 50;
   options.minimizer_type = ceres::LINE_SEARCH;
 
   options.line_search_type = line_search;